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Witcher Kings mod is a total conversion for Crusader Kings 2 set in the universe of The Witcher. v0.8.1 is now released, compatible with CK2 2.7.2.

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Hi folks,

Though Witcher Kings 0.8.0 was quite stable (no random CTDs), there were a few nasty game-breaking bugs (witchers and sorcerers getting pruned, random education traits, bedridden immortals with Reaper's Due) and lack of Conclave support. This is the reason for patch 0.8.1, which is a save-compatible bugfix and balancing minor update.

Automatic .exe installer (Windows)

Witcher Kings 0.8.1 - Windows Installer

or manual .zip install (Windows/Mac/Linux)

Witcher Kings 0.8.1 - Manual Install

Compatible with: 2.7.2
Checksum: 2.7.2 (PETO)
It is save-compatible with Witcher Kings 0.8.0.

For more information on the mod, checkout the Witcher Kings wiki page.

In parallel we've started working on our next major update, called the "W3 update", so stay tune for more in the coming weeks ! ;)

Let's Play series

Before describing changes, I'd like to start by thanking AlpaxLP for his great Let's play King Foltest of Temeria series on Witcher Kings 0.8.0 !

His video series helped to find some bugs, balance and usability issues. It's very instructive to see someone else playing ! :)

Conclave education

Conclave DLC is now officially supported !

The mod has 4 generalist education traits that give bonus to all 5 attributes, but with smaller values than the specialized trait at the same tier.
In order to have these education traits as a possible outcome with Conclave education focus, a new "polymath" education focus has been added, and the UI tweaked to display the 6th focus:


The first tier trait, "uneducated buffoon" trait is now a probable outcome of not having an education focus (or utterly failing when having the polymath focus !).


The mod also adds 4 personality traits: tolerant, racist, gambler and reasonable.
These traits are now integrated with Conclave childhood focus:

  • Affectionate can lead to tolerant
  • Haughty can lead to racist
  • Playful can lead to gambler
  • Conscientious can lead to reasonable


In addition the adolescence age has been decreased from 12 to 11 and childhood age from 6 to 5, to preserve Conclave education balance (attribute gain, events MTTH, ...), as adulthood age is 15.

Dynamic flags for Nilfgaardian kingdom vassals

This idea was inspired by the e_iron_throne title's flag in the AGOT mod, which changes based on the ruling dynasty.
Kingdoms have a different flag when vassals of Nilfgaard (the Nilfgaard sun, typically added above or next to the kingdom's original flag), but revert back to their default, "de jure" flag while independent:


Witchers and sorcerers pruning

Due to a vanilla engine behavior, characters present at a court that experiences an inheritance of title have a chance of dying of "natural death", bypassing the normal rules of pruning (aka "disappearing without trace"). With the workaround, immortal (landless) characters are now really immortal !
But what about long-lived races ? Though they have an immortal trait, as they are also randomly generated by the game, they also need to be pruned, otherwise courts would bloat and game performances would slow down !
Now that this issue is fixed, the number of child with hidden magic talent had to be toned down a bit. For witchers there's a spawning event if there's 5 or below, because they may die out fighting monsters occasionally.
I've run several observer games (100 years in-game) to check and tweak the pruning/generation.

Wrong checksum warning

The Windows automatic installer has helped reduced drastically support and false-positive bug reports due to bad mod installations.
However it was still happening from time to time from players with manual install, or when CK2 updates and the mod is not compatible with that version yet.

So there's now a startup event (on new game start and when loading a save), that will warn you if you don't have the expected checksum(s), with some clues on what to do in such case:


In case you're using a compatible mod that modifies the checksum, you can disable this warning via the game rules.

Helping with the mod

The potential of the mod is huge, and the team is very small, while there's still a lot of ideas to be implemented !

You can help by:

  • reporting bugs
  • giving suggestions, ideas and feedback (balance, fun, ...)
  • doing some modding (research, graphics, scripting, ...). If you're interested browse the opened issues on the Github repository and contact me.

Known bugs

  • Only human sorcerers are generated
  • AoK narrative events don't fire after resigning (need to restart the game)
  • Filavandrel gets a child portrait

Full changelog

v0.8.1 2017-08-20

Compatibility with vanilla 2.7.2/2.7.1

This release is save-compatible with previous v0.8.0, and some issues will repair themselves upon loading:
- Reaper's Due diseases effects on immortals will be removed
- Dwarven walls and Dwarven keeps will be converted to their vanilla equivalent
- Conclave Noble and Clergy levy and tax laws will be set to default

- Support Conclave education focus:
- Add a polymath education focus and tweak the UI to add a 6th icon.
- Make uneducated buffoon a probable outcome of not having an education focus
- Add missing learning bonuses to polymath education traits.
- Handle extra personality traits: affectionate can lead to tolerant, haughty to racist, playful to gambler and conscientious to reasonable
- Decrease adolescence age to 11 and childhood age to 5, to preserve Conclave education balance when adulthood age is 15.
- Use dynamic flags for Nilgaardian kingdom vassals
- Use better flags for k_pontar and k_emblonia
- Add various canon character traits
- Improve usability of game rules:
- Highlight mod specific rules with color
- Create a group for Witcher Kings specific rules
- Remove achievement warnings, as mods already disable achievements
- Add a warning on game start if the checksum is not the expected one, can be disabled via a game rule.
- Use a more visible icon for wiki links
- Add a sound when rolling dice during dice poker
- Add a picture for Witcher 2 bookmark on era screen
- Add missing character backgrounds on Witcher 2 bookmark
- Improve "Unite the North" description, since tooltip is lacking count = 3
- Enable playing dice poker with prisoners regardless of opinion
- Re-enable the imperial authority evolution event on Nilfgaard Empire succession.
- Add back Maximum crown obligations level (w/o Conclave DLC)
- Add seafarer flag to Verdenian, Skellige, Cidarian and Cintran cultures
- Add some more loading tips

- Remove the mod non-Conclave education system, as it's buggy/unbalanced.
- Fix laws when Conclave DLC is active:
- Disable Crown Levies law
- Fix Iqta levy and tax obligations appearing instead of Noble and Clergy laws
- Fix tanistry succession being impossible to enact
- Workaround immortal courtiers (including witchers and sorcerers) dying from 'natural death' when a title is inherited and the court gets pruned.
- Fix witcher spawning safety event to check more frequently, and work even if witchers no longer exist
- Make long lived races immune to Reaper's Due disease symptoms, to prevent bedridden epidemic.
- Fix court mage magic spell decisions being often greyed out and improve AI target filtering
- Make healing spell remove any Reaper's Due disease symptom flags
- Reduce the probability of witchers getting killed by monsters from 1/20 to 1/1000
- Allow Elven sorcerers to gain the fertile_nonhuman trait
- Prevent from playing Dice Poker against oneself, which is non-functional.
- Remove default character_event sound, which gets annoying with instant event chains (dice poker, ...).
- Fix human sorcerers defaulting to elfgfx ethnicity.
- Optimize some MTTH events that can be done on_startup instead.
- Fix missing portraits for elf son/daughter
- Workaround engine bug on lowborns from character history getting a random dynasty
- Prevent trained mages to get married when using "Marry all courtiers" decision
- Clarify Pogrom CB description.
- Fix Nilfgaard successful invasion event option to actually grant the new kingdom title.
- Allow special force commander to fight Scoiatel even if at war or leading troops.
- Tune done revolt risk from scoiatel presence, and remove scoiatel presence in neighbor provinces when crushing a revolt.
- Change cost of fetching a Witcher to be fixed instead of scaled, but each monster cleaning now costs money upon success.
- Remove Dwarven walls/keep buildings as they break vanilla building chains
- Remove unsuitable RIP physician character events.
- Add missing high gods in religion definitions
- Prevent from using "Expand by conquest" CB indefinitely
- Fix prison visiting event to not impregnate infertile characters
- Fix reclamation wars allowed when not independent
- Workaround bug causing Saskia to become vassal of Kaedwen when winning or if war invalidates.


( ͡° ͜ʖ ͡°)

Reply Good karma Bad karma+2 votes

I have changed start year . Most characters (expect generated) who have 256+ year at game start get the child portrait.

This is not the best solution but Filavandrel is the oldest character in this bookmark so maybe just make him 10 years youger :P

Reply Good karma Bad karma+1 vote
romulien Author

That could work :p

The Elder Kings mod has similar issues, so hopefully we're going to crack or workaround it.

Reply Good karma+1 vote

Awesome Mod! Loving it so far, there is no longer any empire but that of Aen Seidhe!

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romulien Author

Thanks, that keeps us going !

Reply Good karma+1 vote

when the w3 update coming out?? i can't wait!

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romulien Author

When it's ready™ ;)

It will take a bit of time, since people are quite busy IRL after the end of summer !

Reply Good karma+1 vote

For me it´s not working anymore :(

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romulien Author

Make sure to roll back to vanilla 2.7.2:

Reply Good karma+1 vote

Hi guys, I have a problem, I have "downgraded" game (version 2.7.2), All other mods are disabled. When I start game from lobby, game is normally starting, I choose aera, choose chracter, set up rules, press "play" button and game falls. Do you know whats wrong? Thank you

PS: Your mod looks great :-)

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romulien Author

Hi, strange because that crash is typically what happens when not using 2.7.2 !

Do you have the checksum 2.7.2 (PETO) in the lobby with only vanilla (+ DLCs) + Witcher mod active ?

Reply Good karma+2 votes

Im sorry, my english is not well, Im not sure, that I understand. My game version is 2.7.2 (in the right upper corner). I dont know what does it mean PETO or checksum. Is it somethink about game version, or is it some addon, or somethink else...

I have no mods (only witcher of course).

Are any DLCs necessarly to play this mod? I did not find it in the istructions and I dont have all of them...

Thanks for very quick reaction.

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romulien Author

No problem, let me give more details: what I mean is that when you start the game, in the lobby screen (before clicking single player, load game , multiplayer, etc.) you'll have a checksum of (vanilla + active mods) calculated at the bottom left.

If it shows "2.7.2 (PETO)", you're good :)
If it shows "2.7.2 (xxxx)" with a different checksum than PETO, it means the installation is not good - you need to verify CK2 game files in Steam, or try re-installing the mod.
If it shows "2.8.x (xxxx) it means the rollback didn't actually work.

No DLCs is required (they don't impact the checksum calculation anyway).

Note that the official vanilla checksum (without any mod) is 2.7.2 (GMTV).

Reply Good karma+2 votes

It works now.
Thank you, your support is great, better, then profesional.

Reply Good karma Bad karma+2 votes

Hi, mod i really amazing.
I found only few thinks.

Firstly: In Cintra is Cirilla two times. One time like the queen and second time like the youngest person in dynasty. Is it wrong, or is it necesery for some system reason?

On map is dificult set the "microstates" (for example the tower of Yennefer) as target for diplomat or spy, cause it is too small.

The game is falling on desktop, while year 1430 begins. Is it an official endgame, or is it a bugg?

Reply Good karma Bad karma+2 votes

Hello, when are you planning to release an update that is compatible with Crusader Kings II 2.8.2? Thank you!

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romulien Author

Hi, I'm working on it !

Reply Good karma+1 vote
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